Whirlwinds. Diagram showing the structure of whirlwinds. At the top is a plan view, with a circular core surrounded by a pattern of in-flowing winds.

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Whirlwinds. Diagram showing the structure of whirlwinds. At the top is a plan view, with a circular core surrounded by a pattern of in-flowing winds. Below is an illustration of a compound whirlwind, one in which several smaller eddies co-rotate about a central core. This was first published in 'Whirlwinds and Dust Storms of India' by P. Baddeley in 1860.

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Size: 3521px × 5094px
Photo credit: © ROYAL INSTITUTION OF GREAT BRITAIN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1800s, 1860, 19th, baddeley, century, column, compound, devil, diagram, dust, eddies, eddy, illustration, india, monochrome, plan, sketch, spiral, twister, view, whirl, whirlwind, whirlwinds, wind, winds